CN104076311A - Verification system and method of quick-acting oil pressure relay verification platform for transformer - Google Patents
Verification system and method of quick-acting oil pressure relay verification platform for transformer Download PDFInfo
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- CN104076311A CN104076311A CN201410243522.4A CN201410243522A CN104076311A CN 104076311 A CN104076311 A CN 104076311A CN 201410243522 A CN201410243522 A CN 201410243522A CN 104076311 A CN104076311 A CN 104076311A
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Abstract
A verification system of a quick-acting oil pressure relay verification platform for a transformer is characterized by comprising a high-frequency dynamic pressure sensor, a conversion unit, a data acquisition card and an upper computer, wherein the high-frequency dynamic pressure sensor is installed on an internal test tank of the verification platform and connected with the conversion unit through an aviation joint, collected standard signals are connected to a port of the data acquisition card through the conversion unit, the data acquisition card is connected with the quick-acting oil pressure relay verification platform through handshaking signals, and the upper computer is connected with the data acquisition card through a USB interface data line or a serial port. The invention further comprises a verification method of the quick-acting oil pressure relay verification platform for the transformer. Compared with the prior art, the gap in verification of the quick-acting oil pressure relay verification platform is filled up, and therefore reliability of the quick-acting oil pressure relay verification platform and the protection level of the transformer are improved.
Description
Technical field
The present invention relates to a kind of check system of non electrical quantity verification platform, especially relate to a kind of check system of quick-acting oil pressure relay for trans former verification platform.The invention still further relates to the method that adopts said system to carry out the verification of quick-acting oil pressure relay for trans former verification platform.
Background technology
Quick oil pressure relay is developed for preventing oil tank of transformer explosion in fault.Quick oil pressure relay is the situation of avoiding occurring with the Protection parameters repetition of other protective devices interference, malfunction; adopt detection oil tank of transformer internal fault rate of pressure rise (hereinafter to be referred as pressing speed) as Protection parameters; corresponding different pressure speed, quick oil pressure relay has the different response times.To quick oil pressure relay, verification seems and is even more important, but, the performance evaluation of quick oil pressure relay verification platform is lacked to rational means and measure.
For the verification of quick oil pressure relay verification platform, generally pass through the method for static pressure verification at present.Whether the method can not truly reflect quick oil pressure relay verification platform dynamic perfromance, therefore cannot understand its duty and meet the demands.
Summary of the invention
First technical matters to be solved by this invention, is just to provide a kind of check system of quick-acting oil pressure relay for trans former verification platform.
Second technical matters to be solved by this invention, is just to provide a kind of method of calibration that adopts said system to carry out quick-acting oil pressure relay for trans former verification platform.
By system and method for the present invention, can realize the dynamically pressure testing to quick oil pressure relay verification platform, and realize image demonstration by host computer, thereby make quick oil pressure relay verification platform in slave mode.Therefore, the present invention has improved the safety factor of the quick oil pressure relay of one of non-electricity protecting device.
Solve above-mentioned first technical matters, the technical solution used in the present invention is:
A kind of check system of quick-acting oil pressure relay for trans former verification platform, it is characterized in that: comprise high frequency dynamic pressure transducer, converting unit, data collecting card and host computer, wherein, high frequency dynamic pressure transducer is arranged on the closed test tank of described verification platform, high frequency dynamic pressure transducer connects converting unit by Aviation Connector, by converting unit, the standard signal collecting is connected to data acquisition card port, between data collecting card and quick oil pressure relay verification platform, be connected by handshake, host computer is connected by USB interface data line or serial ports with data collecting card.
So, by data and graphical analysis, can judge quick oil pressure relay verification platform whether in eligible state with and the pressure speed quality height that provides.
Solve above-mentioned second technical matters, the technical solution used in the present invention is:
Adopt said system to carry out a method of calibration for quick-acting oil pressure relay for trans former verification platform, it is characterized in that comprising the following steps:
S1 is located at high frequency dynamic pressure transducer on the closed test tank of quick oil pressure relay verification platform;
S2 quick oil pressure relay verification platform is reaching before a certain fixing pressure speed of code regulation, and quick oil pressure relay verification platform control end sends and starts handshake to data collecting card, and reminder-data capture card starts image data.
S3 data collecting card gathers analog output signal and high-speed transitions is to transfer out on digital quantity;
Embedded vb, vba, vc or the c++ software of S4 host computer is realized the preservation of the data acquisition to data collecting card, and realize the graphical demonstration of data, software is by data and graphical analysis, judge quick oil pressure relay verification platform whether in eligible state with and the pressure speed quality height that provides, thereby make quick oil pressure relay verification platform in slave mode;
S5 quick oil pressure relay verification platform, reaching after a certain fixing pressure speed of code regulation, sends end handshake, and reminder-data capture card finishes image data.
Described high frequency dynamic pressure transducer provides a certain fixing pressure speed of code regulation to be respectively 2kPa/s, 4kPa/s, 5kPa/s, 10kPa/s, 20kPa/s, 50kPa/s, 100kPa/s, 200kPa/s, 500kPa/s at quick oil pressure relay verification platform, provides handshake in beginning and end moment that pressure speed is provided.
Beneficial effect: compared with prior art, the present invention has filled up the verification blank of quick oil pressure relay verification platform, thus improve the reliability of quick oil pressure relay verification platform and improved tranformer protection level.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is composition and the annexation schematic diagram of the check system of quick oil pressure relay verification platform of the present invention;
Fig. 2 is the method for calibration process flow diagram of quick oil pressure relay verification platform of the present invention;
Fig. 3 is that the pressure of specific embodiment changes slope replot.
101, quick oil pressure relay verification platform, 102, dynamic pressure transducer, 103, converting unit, 104, high-speed data acquisition card, 105, host computer.
Embodiment
As shown in Figure 1, the check system embodiment of quick-acting oil pressure relay for trans former verification platform of the present invention, comprises series matching converting unit 103, data collecting card 104 and the host computers 105 such as serial high frequency dynamic pressure transducer 102, CYG1508 such as CYG1508; Wherein, high frequency dynamic pressure transducer 102 is arranged on correct position on quick oil pressure relay verification platform 101 closed test tanks, can measure equably the dynamic pressure that quick oil pressure relay verification platform 101 closed test tanks provide; High frequency dynamic pressure transducer 101 connects converting unit 103 by Aviation Connector, and 101 non electrical quantities are converted to standard output; By converting unit 103, the standard signal collecting is connected to data collecting card 104 ports, between data collecting card 104 and quick oil pressure relay verification platform 101 control system, be connected by handshake, host computer 105 is connected by corresponding data line with data collecting card 104, by to data and graphical analysis, can judge quick oil pressure relay verification platform whether in eligible state with and the pressure speed quality height that provides.
Referring to Fig. 2, employing said system of the present invention is carried out the method for calibration of quick-acting oil pressure relay for trans former verification platform, comprises the following steps:
S1 is located at high frequency dynamic pressure transducer on the closed test tank of quick oil pressure relay verification platform;
S2 quick oil pressure relay verification platform is reaching before a certain fixing pressure speed of code regulation, and quick oil pressure relay verification platform control end sends and starts handshake to data collecting card, and reminder-data capture card starts image data.
S3 data collecting card gathers analog output signal and high-speed transitions is to transfer out on digital quantity;
Embedded vb, vba, vc or the c++ software of S4 host computer is realized the preservation of the data acquisition to data collecting card, and realize the graphical demonstration of data, software is by data and graphical analysis, judge quick oil pressure relay verification platform whether in eligible state with and the pressure speed quality height that provides, thereby make quick oil pressure relay verification platform in slave mode;
S5 quick oil pressure relay verification platform, reaching after a certain fixing pressure speed of code regulation, sends end handshake, and reminder-data capture card finishes image data.
Described high frequency dynamic pressure transducer provides a certain fixing pressure speed of code regulation to be respectively 2kPa/s, 4kPa/s, 5kPa/s, 10kPa/s, 20kPa/s, 50kPa/s, 100kPa/s, 200kPa/s, 500kPa/s at quick oil pressure relay verification platform, provides handshake in beginning and end moment that pressure speed is provided.
Figure 3 shows that the pressure that certain specific embodiment draws changes slope replot, can reach a conclusion as qualified from figure.
The pressure speed that quick oil pressure relay verification platform of the present invention can provide quick oil pressure relay verification code to require; And can provide handshake in beginning and end moment that pressure speed is provided.
High frequency dynamic pressure transducer of the present invention and sensor thereof, can realize the dynamic pressure measurement to quick oil pressure relay verification platform, its supporting converting unit can realize standard output, as (0～5) V or (4～20) mA, data collecting card can gather analog output signal and high-speed transitions is digital output.
Host computer of the present invention has the function with data acquisition cartoon letters, host computer is connected by the mode of serial ports or USB interface with data collecting card, host computer is realized the preservation of the data acquisition to data collecting card, and can realize the graphical demonstration of data, specific implementation is vb, vba, vc, c++ etc.
Between the control system of data collecting card of the present invention and quick oil pressure relay verification platform, communicate, concrete mode is: before a certain fixing pressure speed that quick oil pressure relay verification platform starts to provide code to specify, send beginning handshake, reminder-data capture card starts image data; Quick oil pressure relay verification platform sends end handshake after providing a certain fixing pressure speed of code regulation to complete, and reminder-data capture card finishes image data.
Computer software is by data and graphical analysis (as shown in Figure 3), can judge quick oil pressure relay verification platform whether in eligible state with and the pressure speed quality height that provides, thereby make quick oil pressure relay verification platform in slave mode.
Claims (3)
1. the check system of a quick-acting oil pressure relay for trans former verification platform, it is characterized in that: comprise high frequency dynamic pressure transducer, converting unit, data collecting card and host computer, wherein, high frequency dynamic pressure transducer is arranged on the closed test tank of described verification platform, high frequency dynamic pressure transducer connects converting unit by Aviation Connector, by converting unit, the standard signal collecting is connected to data acquisition card port, between data collecting card and quick oil pressure relay verification platform, be connected by handshake, host computer is connected by USB interface data line or serial ports with data collecting card.
2. adopt the system as claimed in claim 1 to carry out a method of calibration for quick-acting oil pressure relay for trans former verification platform, it is characterized in that comprising the following steps:
S1 is located at high frequency dynamic pressure transducer on the closed test tank of quick oil pressure relay verification platform;
S2 quick oil pressure relay verification platform is reaching before a certain fixing pressure speed of code regulation, and quick oil pressure relay verification platform control end sends and starts handshake to data collecting card, and reminder-data capture card starts image data.
S3 data collecting card gathers analog output signal and high-speed transitions is to transfer out on digital quantity;
Embedded vb, vba, vc or the c++ software of S4 host computer is realized the preservation of the data acquisition to data collecting card, and realize the graphical demonstration of data, software is by data and graphical analysis, judge quick oil pressure relay verification platform whether in eligible state with and the pressure speed quality height that provides, thereby make quick oil pressure relay verification platform in slave mode;
S5 quick oil pressure relay verification platform, reaching after a certain fixing pressure speed of code regulation, sends end handshake, and reminder-data capture card finishes image data.
3. the method for calibration of quick-acting oil pressure relay for trans former verification platform according to claim 2, it is characterized in that: described high frequency dynamic pressure transducer provides a certain fixing pressure speed of code regulation to be respectively 2kPa/s, 4kPa/s, 5kPa/s, 10kPa/s, 20kPa/s, 50kPa/s, 100kPa/s, 200kPa/s, 500kPa/s at quick oil pressure relay verification platform, provide handshake in beginning and end moment that pressure speed is provided.
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| CN201410243522.4A CN104076311B (en) | 2014-06-03 | 2014-06-03 | Verification system and method of quick-acting oil pressure relay verification platform for transformer |
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| CN201410243522.4A CN104076311B (en) | 2014-06-03 | 2014-06-03 | Verification system and method of quick-acting oil pressure relay verification platform for transformer |
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| CN104076311B CN104076311B (en) | 2017-04-12 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137345A (en) * | 2015-09-15 | 2015-12-09 | 中国北车集团大连机车车辆有限公司 | UK oil pressure protection relay test stand |
| CN106199410A (en) * | 2016-06-30 | 2016-12-07 | 无锡市华东电力设备有限公司 | Transformator instantaneous relay calibration steps |
| CN107478987A (en) * | 2017-08-30 | 2017-12-15 | 国网辽宁省电力有限公司电力科学研究院 | A kind of quick oil pressure relay check system |
| CN113035561A (en) * | 2020-12-07 | 2021-06-25 | 广西电网有限责任公司电力科学研究院 | Oil pressure measurement-based transformer winding oil flow balance design method |
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| US4831277A (en) * | 1987-08-11 | 1989-05-16 | Christopher Nicholas S | Remote power system |
| CN2938132Y (en) * | 2006-06-25 | 2007-08-22 | 金仲华 | Dynamic performance test stage for quick oil pressure relay of transformer |
| CN201732149U (en) * | 2010-07-14 | 2011-02-02 | 郑州赛奥电子股份有限公司 | Calibration console of quick-acting oil pressure relay |
| CN203455453U (en) * | 2013-09-06 | 2014-02-26 | 平顶山煤业（集团）铁路运输处劳动服务公司 | Oil pressure relay detection testing device |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4831277A (en) * | 1987-08-11 | 1989-05-16 | Christopher Nicholas S | Remote power system |
| CN2938132Y (en) * | 2006-06-25 | 2007-08-22 | 金仲华 | Dynamic performance test stage for quick oil pressure relay of transformer |
| CN201732149U (en) * | 2010-07-14 | 2011-02-02 | 郑州赛奥电子股份有限公司 | Calibration console of quick-acting oil pressure relay |
| CN203455453U (en) * | 2013-09-06 | 2014-02-26 | 平顶山煤业（集团）铁路运输处劳动服务公司 | Oil pressure relay detection testing device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137345A (en) * | 2015-09-15 | 2015-12-09 | 中国北车集团大连机车车辆有限公司 | UK oil pressure protection relay test stand |
| CN105137345B (en) * | 2015-09-15 | 2018-02-09 | 中国北车集团大连机车车辆有限公司 | UK oil pressure protection relay test platforms |
| CN106199410A (en) * | 2016-06-30 | 2016-12-07 | 无锡市华东电力设备有限公司 | Transformator instantaneous relay calibration steps |
| CN107478987A (en) * | 2017-08-30 | 2017-12-15 | 国网辽宁省电力有限公司电力科学研究院 | A kind of quick oil pressure relay check system |
| CN113035561A (en) * | 2020-12-07 | 2021-06-25 | 广西电网有限责任公司电力科学研究院 | Oil pressure measurement-based transformer winding oil flow balance design method |
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| CN104076311B (en) | 2017-04-12 |
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Address after: 510080 water Donggang 8, Dongfeng East Road, Yuexiu District, Guangzhou, Guangdong. Patentee after: ELECTRIC POWER RESEARCH INSTITUTE, GUANGDONG POWER GRID CO., LTD. Address before: 510080 water Donggang 8, Dongfeng East Road, Yuexiu District, Guangzhou, Guangdong. Patentee before: Electrical Power Research Institute of Guangdong Power Grid Corporation |